| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 3 | |
| #2 | Canada | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | United States | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 2 | |
| #6 | Australia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Consumer goods | |
| #3 | Machines | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Special information storage | |
| #2 | Electrophonic musical instruments | |
| #3 | Unspecified technologies | |
| #4 | Finishing work on buildings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Spencer Charles A | 9 |
| Publication | Filing date | Title |
|---|---|---|
| US8077568B2 | Method and system for synchronizing information specific to a location on a surface with an external source | |
| AU2003287604A1 | System for synchronizing vinyl record album with external source | |
| US799413A | Fence-post. |